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Finding the Fourth Proportional to 193,486.80, 267,067.44 and 117,006

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Solution

The fourth proportional to 193,486.80, 267,067.44 and 117,006 is: 161,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,486.80 : 267,067.44 = 117,006 : x
  2. Step 2: Convert to fraction form
    193,486.80/267,067.44 = 117,006/x
  3. Step 3: Cross multiply
    193,486.80x = 267,067.44 × 117,006
  4. Step 4: Simplify right side
    193,486.80x = 31,248,492,884.64
  5. Step 5: Solve for x
    x = 31,248,492,884.64/193,486.80
  6. Step 6: Final answer
    x = 161,501.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.